What is summary: A summary is an accurate restatement of material in fewer words.
How to summarize: To be able to summarize properly, you will need to locate main ideas and
significant details and put this information in your own words.
Follow these steps when you summarize a text.
The greenhouse effect occurs as carbon dioxide, water vapor and certain other gases in the atmosphere allow the sun's ultraviolet rays to penetrate and warm the earth and then absorb the infrared energy that is radiated back into space.
If the opacity of the atmosphere to infrared radiation were to increase, the temperature would increase.
(From Integrating College Study Skills, 1984 and College Reading and Study Skills, 1992)
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